Finding the Fourth Proportional to 75,443.49, 104,113.74 and 41,454.09
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Solution
The fourth proportional to 75,443.49, 104,113.74 and 41,454.09 is: 57,207.59
Step by Step Solution
- Step 1: Write the proportion equation
75,443.49 : 104,113.74 = 41,454.09 : x - Step 2: Convert to fraction form
75,443.49/104,113.74 = 41,454.09/x - Step 3: Cross multiply
75,443.49x = 104,113.74 × 41,454.09 - Step 4: Simplify right side
75,443.49x = 4,315,940,348.20 - Step 5: Solve for x
x = 4,315,940,348.20/75,443.49 - Step 6: Final answer
x = 57,207.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.